done 7 transformations

config/config.yaml

@@ -7,13 +7,52 @@ paths:
   output_dir: "out"
   log_file: "logs/data_augmentation.log"
 
-# Data augmentation parameters - ONLY ROTATION
+# Data augmentation parameters - ROTATION and RANDOM CROPPING
 augmentation:
-  # Geometric transformations - ONLY ROTATION
+  # Geometric transformations
   rotation:
     enabled: true
     angles: [30, 60, 120, 150, 180, 210, 240, 300, 330]  # Specific rotation angles
     probability: 1.0  # Always apply rotation
+  
+  # Random cropping to simulate partially visible ID cards
+  random_cropping:
+    enabled: true
+    ratio_range: [0.7, 1.0]  # Crop ratio range (min, max)
+    probability: 1.0  # Always apply cropping
+  
+  # Random noise to simulate worn-out ID cards
+  random_noise:
+    enabled: true
+    mean_range: [0.0, 0.7]  # Noise mean range (min, max)
+    variance_range: [0.0, 0.1]  # Noise variance range (min, max)
+    probability: 1.0  # Always apply noise
+  
+  # Partial blockage to simulate occluded card details
+  partial_blockage:
+    enabled: true
+    num_occlusions_range: [1, 100]  # Number of occlusion lines (min, max)
+    coverage_range: [0.0, 0.25]  # Coverage ratio (min, max)
+    variance_range: [0.0, 0.1]  # Line thickness variance (min, max)
+    probability: 1.0  # Always apply blockage
+  
+  # Grayscale transformation to mimic Xerox/scan copies
+  grayscale:
+    enabled: true
+    probability: 1.0  # Always apply grayscale
+  
+  # Blurring to simulate blurred card images that are still readable
+  blurring:
+    enabled: true
+    kernel_ratio_range: [0.0, 0.0084]  # Kernel ratio range (min, max)
+    probability: 1.0  # Always apply blurring
+  
+  # Brightness and contrast adjustment to mimic different environmental lighting conditions
+  brightness_contrast:
+    enabled: true
+    alpha_range: [0.4, 3.0]  # Contrast range (min, max)
+    beta_range: [1, 100]  # Brightness range (min, max)
+    probability: 1.0  # Always apply brightness/contrast adjustment
 
 # Processing configuration
 processing: